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Finding the Third Proportional to 68,744 and 150,772

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Solution

The third proportional to 68,744 and 150,772 is: 330,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,744 : 150,772 = 150,772 : x
  2. Step 2: Convert to fraction form
    68,744/150,772 = 150,772/x
  3. Step 3: Cross multiply
    68,744x = 150,772 × 150,772
  4. Step 4: Simplify right side
    68,744x = 22,732,195,984
  5. Step 5: Solve for x
    x = 22,732,195,984/68,744
  6. Step 6: Final answer
    x = 330,678.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.